Posted by Selma on .
Where are the functions f1(x)=sin(x) and f2(x) = sin(x) differentiable? Use n as an arbitrary integer constant.)
f1(x) = sin(x) is differentiable for all x ≠______________
f2(x) = sin(x) is differentiable for all x ≠______________
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MATH 
umayr,
f1(x) is not at n*pie
f2(x) is not at 0